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   <div id="projectname">SSD1306 OLED display driver
   &#160;<span id="projectnumber">1.8.2</span>
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   <div id="projectbrief">This library is developed to control SSD1306/SSD1331/SSD1351/IL9163/PCD8554 RGB i2c/spi LED displays</div>
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<li class="navelem"><a class="el" href="dir_e8e2c9e5894b9269226c7b242c94fdc2.html">ssd1306_hal</a></li><li class="navelem"><a class="el" href="dir_ae36436fbad701ce6a587d0f3c5ef627.html">esp</a></li>  </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">    MIT License</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">    Copyright (c) 2018-2019, Alexey Dynda</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">    Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">    of this software and associated documentation files (the &quot;Software&quot;), to deal</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">    in the Software without restriction, including without limitation the rights</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">    copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">    furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">    The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">    copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">    THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">    SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="io_8h.html">ssd1306_hal/io.h</a>&quot;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#if defined(SSD1306_ESP_PLATFORM)</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="ssd1306__interface_8h.html">intf/ssd1306_interface.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="ssd1306__spi_8h.html">intf/spi/ssd1306_spi.h</a>&quot;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &quot;freertos/FreeRTOS.h&quot;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &quot;freertos/task.h&quot;</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &quot;driver/gpio.h&quot;</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#if 1</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#if defined(CONFIG_PLATFORM_SPI_AVAILABLE) &amp;&amp; defined(CONFIG_PLATFORM_SPI_ENABLE)</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_send_cache();</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">// TODO: To complete support. Any help is welcome</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keywordtype">int</span>  digitalRead(<span class="keywordtype">int</span> pin)   <span class="comment">// digitalRead()</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keywordflow">return</span> gpio_get_level(pin);</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;}</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="keywordtype">void</span> digitalWrite(<span class="keywordtype">int</span> pin, <span class="keywordtype">int</span> level)  <span class="comment">// digitalWrite()</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;{</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#if defined(CONFIG_PLATFORM_SPI_AVAILABLE) &amp;&amp; defined(CONFIG_PLATFORM_SPI_ENABLE)</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gaa6c559e035be91c9c57a53120c55e023">s_ssd1306_dc</a> == pin)</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    {</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        platform_spi_send_cache();</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    }</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    gpio_set_level(pin, level);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;}</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keywordtype">void</span> pinMode(<span class="keywordtype">int</span> pin, <span class="keywordtype">int</span> mode)</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;{</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordflow">if</span> (mode == INPUT)</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        gpio_set_direction(pin, GPIO_MODE_INPUT);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == OUTPUT)</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        gpio_set_direction(pin, GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;}</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;uint32_t millis(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;{</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">return</span> xTaskGetTickCount() * portTICK_PERIOD_MS;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;}</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="keywordtype">void</span> delay(uint32_t ms)     <span class="comment">// delay()</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;{</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    vTaskDelay(ms / portTICK_PERIOD_MS);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;}</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">// !!! PLATFORM I2C IMPLEMENTATION OPTIONAL !!!</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">#if defined(CONFIG_PLATFORM_I2C_AVAILABLE) &amp;&amp; defined(CONFIG_PLATFORM_I2C_ENABLE)</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#include &quot;driver/i2c.h&quot;</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="keyword">static</span> uint8_t s_i2c_addr = 0x3C;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keyword">static</span> int8_t s_bus_id;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="keyword">static</span> i2c_cmd_handle_t s_cmd_handle;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_start(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;{</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="comment">// ... Open i2c channel for your device with specific s_i2c_addr</span></div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    s_cmd_handle = i2c_cmd_link_create();</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    i2c_master_start(s_cmd_handle);</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    i2c_master_write_byte(s_cmd_handle, ( s_i2c_addr &lt;&lt; 1 ) | I2C_MASTER_WRITE, 0x1);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;}</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_stop(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;{</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="comment">// ... Complete i2c communication</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    i2c_master_stop(s_cmd_handle);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="comment">/*esp_err_t ret =*/</span> i2c_master_cmd_begin(s_bus_id, s_cmd_handle, 1000 / portTICK_RATE_MS);</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    i2c_cmd_link_delete(s_cmd_handle);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;}</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_send(uint8_t data)</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;{</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="comment">// ... Send byte to i2c communication channel</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    i2c_master_write_byte(s_cmd_handle, data, 0x1);</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;}</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_close(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;{</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="comment">// ... free all i2c resources here</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    i2c_driver_delete(s_bus_id);</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;}</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_send_buffer(<span class="keyword">const</span> uint8_t *data, uint16_t len)</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;{</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <span class="comment">// ... Send len bytes to i2c communication channel here</span></div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    <span class="keywordflow">while</span> (len--)</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    {</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        platform_i2c_send(*data);</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        data++;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    }</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">//    i2c_master_write(cmd, data_wr, size, ACK_CHECK_EN);</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;}</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___s_s_d1306___h_a_l___a_p_i.html#gabfbc35d9ad49ecfab95ccb34afb0ef81">ssd1306_platform_i2cInit</a>(int8_t busId, uint8_t addr, <a class="code" href="structssd1306__platform__i2c_config__t.html">ssd1306_platform_i2cConfig_t</a> * cfg)</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;{</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keywordflow">if</span> (addr) s_i2c_addr = addr;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">spi</a> = 0;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = &amp;platform_i2c_start;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a>  = &amp;platform_i2c_stop;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a>  = &amp;platform_i2c_send;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = &amp;platform_i2c_close;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = &amp;platform_i2c_send_buffer;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="comment">// init your interface here</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">if</span> ( busId &lt; 0) busId = I2C_NUM_1;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    s_bus_id = busId;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    i2c_config_t conf;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    conf.mode = I2C_MODE_MASTER;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    conf.sda_io_num = cfg-&gt;<a class="code" href="structssd1306__platform__i2c_config__t.html#ac2a2845a2040abd96000fb39a937b290">sda</a> &gt;= 0 ? cfg-&gt;<a class="code" href="structssd1306__platform__i2c_config__t.html#ac2a2845a2040abd96000fb39a937b290">sda</a> : 21;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    conf.sda_pullup_en = GPIO_PULLUP_ENABLE;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    conf.scl_io_num = cfg-&gt;<a class="code" href="structssd1306__platform__i2c_config__t.html#a808a70ca55420d7915f203193537eeff">scl</a> &gt;= 0 ? cfg-&gt;<a class="code" href="structssd1306__platform__i2c_config__t.html#a808a70ca55420d7915f203193537eeff">scl</a> : 22;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    conf.scl_pullup_en = GPIO_PULLUP_ENABLE;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    conf.master.clk_speed = 400000; <span class="comment">//I2C_EXAMPLE_MASTER_FREQ_HZ;</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    i2c_param_config(s_bus_id, &amp;conf);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    i2c_driver_install(s_bus_id, conf.mode, 0, 0, 0);</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="comment">//                       I2C_EXAMPLE_MASTER_RX_BUF_DISABLE,</span></div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="comment">//                       I2C_EXAMPLE_MASTER_TX_BUF_DISABLE, 0);</span></div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;}</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment">// !!! PLATFORM SPI IMPLEMENTATION OPTIONAL !!!</span></div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor">#if defined(CONFIG_PLATFORM_SPI_AVAILABLE) &amp;&amp; defined(CONFIG_PLATFORM_SPI_ENABLE)</span></div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="ssd1306__spi_8h.html">intf/spi/ssd1306_spi.h</a>&quot;</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="preprocessor">#include &quot;driver/spi_master.h&quot;</span></div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment">// Store spi handle globally for all spi callbacks</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="keyword">static</span> spi_device_handle_t s_spi;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="keyword">static</span> int8_t s_spi_bus_id;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="comment">// s_first_spi_session is used for delayed spi initialization.</span></div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="comment">// Some oled displays have slow max SPI speed, so display init function can change</span></div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="comment">// spi frequency s_ssd1306_spi_clock. Register device, only when frequency is known.</span></div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="keyword">static</span> uint8_t s_first_spi_session = 0;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="keyword">static</span> uint8_t s_spi_cache[1024];</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> s_spi_cached_count = 0;</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_send_cache()</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;{</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="comment">/* TODO: Yeah, sending single bytes is too slow, but *</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">     * need to figure out how to detect data/command bytes *</span></div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="comment">     * to send bytes as one block */</span></div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    uint8_t *data = s_spi_cache;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">while</span> (s_spi_cached_count)</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    {</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keywordtype">size_t</span> sz = s_spi_cached_count &gt; 32 ? 32: s_spi_cached_count;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        spi_transaction_t t;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        memset(&amp;t, 0, <span class="keyword">sizeof</span>(t));</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        t.length=8*sz;          <span class="comment">// 8 bits</span></div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        t.tx_buffer=data;</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        <span class="comment">// ... Send byte to spi communication channel</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <span class="comment">// We do not care here about DC line state, because</span></div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="comment">// ssd1306 library already set DC pin via ssd1306_spiDataMode() before call to send().</span></div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        spi_device_transmit(s_spi, &amp;t);</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        data+=sz;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        s_spi_cached_count-=sz;</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    }</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    s_spi_cached_count = 0;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;}</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_start(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;{</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="comment">// ... Open spi channel for your device with specific s_ssd1306_cs, s_ssd1306_dc</span></div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="keywordflow">if</span> (s_first_spi_session)</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    {</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        spi_device_interface_config_t devcfg=</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        {</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;            .clock_speed_hz = <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacd2a35f136452e061c82fe446a80701c">s_ssd1306_spi_clock</a>,</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            .mode=0,</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;            .spics_io_num=<a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gafc2040aa9a00f51d7a3302009c32be6a">s_ssd1306_cs</a>,</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            .queue_size=7,       <span class="comment">// max 7 transactions at a time</span></div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        };</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        spi_bus_add_device(s_spi_bus_id ? VSPI_HOST : HSPI_HOST, &amp;devcfg, &amp;s_spi);</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        s_first_spi_session = 0;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    }</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    s_spi_cached_count = 0;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;}</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_stop(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;{</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <span class="comment">// ... Complete spi communication</span></div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    <span class="comment">// no complete actions required for this implementation</span></div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    platform_spi_send_cache();</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;}</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_send(uint8_t data)</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;{</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    s_spi_cache[s_spi_cached_count] = data;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    s_spi_cached_count++;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    <span class="keywordflow">if</span> ( s_spi_cached_count &gt;= <span class="keyword">sizeof</span>( s_spi_cache ) )</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    {</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        platform_spi_send_cache();</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    }</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;}</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_close(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;{</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="comment">// ... free all spi resources here</span></div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <span class="keywordflow">if</span> (!s_first_spi_session)</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    {</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        spi_bus_remove_device( s_spi );</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    }</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    spi_bus_free( s_spi_bus_id ? VSPI_HOST : HSPI_HOST );</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;}</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_send_buffer(<span class="keyword">const</span> uint8_t *data, uint16_t len)</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;{</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordflow">while</span> (len--)</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    {</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        platform_i2c_send(*data);</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        data++;</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    }</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;}</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___s_s_d1306___h_a_l___a_p_i.html#ga48b3e1e6fc7eec0e0634370746d31c22">ssd1306_platform_spiInit</a>(int8_t busId,</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                              int8_t cesPin,</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;                              int8_t dcPin)</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;{</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="comment">// Use VSPI by default</span></div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keywordflow">if</span> (busId &lt; 0) busId = 1;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    s_spi_bus_id = busId;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="comment">// If cesPin is not provided, select by default</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="keywordflow">if</span> (cesPin &lt; 0)</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    {</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        cesPin = s_spi_bus_id ? 5 : 15;</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    }</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gafc2040aa9a00f51d7a3302009c32be6a">s_ssd1306_cs</a> = cesPin;</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <span class="keywordflow">if</span> (dcPin&gt;=0) <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gaa6c559e035be91c9c57a53120c55e023">s_ssd1306_dc</a> = dcPin;</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    <span class="keywordflow">if</span> (cesPin &gt;=0) pinMode(cesPin, OUTPUT);</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <span class="keywordflow">if</span> (dcPin &gt;= 0) pinMode(dcPin, OUTPUT);</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">spi</a> = 1;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = &amp;platform_spi_start;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a>  = &amp;platform_spi_stop;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a>  = &amp;platform_spi_send;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = &amp;platform_spi_close;</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = &amp;platform_spi_send_buffer;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="comment">// init your interface here</span></div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    spi_bus_config_t buscfg=</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    {</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        .miso_io_num= s_spi_bus_id ? 19 : 12,</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        .mosi_io_num= s_spi_bus_id ? 23 : 13,</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        .sclk_io_num= s_spi_bus_id ? 18 : 14,</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        .quadwp_io_num=-1,</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        .quadhd_io_num=-1,</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        .max_transfer_sz=32</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    };</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    spi_bus_initialize(s_spi_bus_id ? VSPI_HOST : HSPI_HOST, &amp;buscfg, 0); <span class="comment">// 0 -no dma</span></div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    s_first_spi_session = 1;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;}</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="preprocessor">#endif // SSD1306_ESP_PLATFORM</span></div><div class="ttc" id="structssd1306__platform__i2c_config__t_html_a808a70ca55420d7915f203193537eeff"><div class="ttname"><a href="structssd1306__platform__i2c_config__t.html#a808a70ca55420d7915f203193537eeff">ssd1306_platform_i2cConfig_t::scl</a></div><div class="ttdeci">int8_t scl</div><div class="ttdoc">clock pin number </div><div class="ttdef"><b>Definition:</b> <a href="io_8h_source.html#l00082">io.h:82</a></div></div>
<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gaa6c559e035be91c9c57a53120c55e023"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gaa6c559e035be91c9c57a53120c55e023">s_ssd1306_dc</a></div><div class="ttdeci">int8_t s_ssd1306_dc</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi_8c_source.html#l00034">ssd1306_spi.c:34</a></div></div>
<div class="ttc" id="structssd1306__platform__i2c_config__t_html"><div class="ttname"><a href="structssd1306__platform__i2c_config__t.html">ssd1306_platform_i2cConfig_t</a></div><div class="ttdef"><b>Definition:</b> <a href="io_8h_source.html#l00080">io.h:80</a></div></div>
<div class="ttc" id="group___s_s_d1306___h_a_l___a_p_i_html_ga48b3e1e6fc7eec0e0634370746d31c22"><div class="ttname"><a href="group___s_s_d1306___h_a_l___a_p_i.html#ga48b3e1e6fc7eec0e0634370746d31c22">ssd1306_platform_spiInit</a></div><div class="ttdeci">void ssd1306_platform_spiInit(int8_t busId, int8_t cesPin, int8_t dcPin)</div><div class="ttdoc">Initializes spi interface for platform being used. </div></div>
<div class="ttc" id="structssd1306__interface__t_html_a9d99111dfccc867514cab4e2ae2cd613"><div class="ttname"><a href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">ssd1306_interface_t::send</a></div><div class="ttdeci">void(* send)(uint8_t data)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00070">ssd1306_interface.h:70</a></div></div>
<div class="ttc" id="structssd1306__interface__t_html_a1cccdffea7b707f9db54e93375d12a22"><div class="ttname"><a href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">ssd1306_interface_t::stop</a></div><div class="ttdeci">void(* stop)(void)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00065">ssd1306_interface.h:65</a></div></div>
<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gacd2a35f136452e061c82fe446a80701c"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacd2a35f136452e061c82fe446a80701c">s_ssd1306_spi_clock</a></div><div class="ttdeci">uint32_t s_ssd1306_spi_clock</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi_8c_source.html#l00035">ssd1306_spi.c:35</a></div></div>
<div class="ttc" id="io_8h_html"><div class="ttname"><a href="io_8h.html">io.h</a></div></div>
<div class="ttc" id="group___s_s_d1306___h_a_l___a_p_i_html_gabfbc35d9ad49ecfab95ccb34afb0ef81"><div class="ttname"><a href="group___s_s_d1306___h_a_l___a_p_i.html#gabfbc35d9ad49ecfab95ccb34afb0ef81">ssd1306_platform_i2cInit</a></div><div class="ttdeci">void ssd1306_platform_i2cInit(int8_t busId, uint8_t addr, ssd1306_platform_i2cConfig_t *cfg)</div><div class="ttdoc">Initializes i2c interface for platform being used. </div></div>
<div class="ttc" id="ssd1306__spi_8h_html"><div class="ttname"><a href="ssd1306__spi_8h.html">ssd1306_spi.h</a></div></div>
<div class="ttc" id="structssd1306__interface__t_html_a347dbbf8fdb470d133901c8fbd8c5186"><div class="ttname"><a href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">ssd1306_interface_t::start</a></div><div class="ttdeci">void(* start)(void)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00061">ssd1306_interface.h:61</a></div></div>
<div class="ttc" id="structssd1306__interface__t_html_a082afeefa07cb717ef3f837667b18491"><div class="ttname"><a href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">ssd1306_interface_t::close</a></div><div class="ttdeci">void(* close)(void)</div><div class="ttdoc">deinitializes internal resources, allocated for interface. </div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00088">ssd1306_interface.h:88</a></div></div>
<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_ga15909bf29819391d35ecb7f4e37fbea3"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a></div><div class="ttdeci">ssd1306_interface_t ssd1306_intf</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8c_source.html#l00031">ssd1306_interface.c:31</a></div></div>
<div class="ttc" id="structssd1306__platform__i2c_config__t_html_ac2a2845a2040abd96000fb39a937b290"><div class="ttname"><a href="structssd1306__platform__i2c_config__t.html#ac2a2845a2040abd96000fb39a937b290">ssd1306_platform_i2cConfig_t::sda</a></div><div class="ttdeci">int8_t sda</div><div class="ttdoc">data pin number </div><div class="ttdef"><b>Definition:</b> <a href="io_8h_source.html#l00081">io.h:81</a></div></div>
<div class="ttc" id="ssd1306__interface_8h_html"><div class="ttname"><a href="ssd1306__interface_8h.html">ssd1306_interface.h</a></div></div>
<div class="ttc" id="structssd1306__interface__t_html_afd33289a509ae27cbdafd118b91ff23e"><div class="ttname"><a href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">ssd1306_interface_t::spi</a></div><div class="ttdeci">uint8_t spi</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00057">ssd1306_interface.h:57</a></div></div>
<div class="ttc" id="structssd1306__interface__t_html_ab753c14b485fd4588cc08ed6bf598b4c"><div class="ttname"><a href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">ssd1306_interface_t::send_buffer</a></div><div class="ttdeci">void(* send_buffer)(const uint8_t *buffer, uint16_t size)</div><div class="ttdoc">Sends bytes to SSD1306 device. </div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00080">ssd1306_interface.h:80</a></div></div>
<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gafc2040aa9a00f51d7a3302009c32be6a"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gafc2040aa9a00f51d7a3302009c32be6a">s_ssd1306_cs</a></div><div class="ttdeci">int8_t s_ssd1306_cs</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi_8c_source.html#l00033">ssd1306_spi.c:33</a></div></div>
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